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Finding the Fourth Proportional to 267,186.35, 368,966.94 and 171,858.53

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Solution

The fourth proportional to 267,186.35, 368,966.94 and 171,858.53 is: 237,325.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,186.35 : 368,966.94 = 171,858.53 : x
  2. Step 2: Convert to fraction form
    267,186.35/368,966.94 = 171,858.53/x
  3. Step 3: Cross multiply
    267,186.35x = 368,966.94 × 171,858.53
  4. Step 4: Simplify right side
    267,186.35x = 63,410,115,927.00
  5. Step 5: Solve for x
    x = 63,410,115,927.00/267,186.35
  6. Step 6: Final answer
    x = 237,325.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.